Cannon was born in San Diego, California. He began performing at the age of eight, and later formed the rap duo "Da Bomb Squad" with his best friend. Together they opened for the likes of Will Smith, LFO, 98 Degrees, and Montell Jordan. When Cannon was sixteen, he moved to Hollywood, where he performed at such comedy clubs as The Improv, The Laugh Factory and the Comedy Store.
In 1998, Cannon scored his television debut on Nickelodeon's All That. Cannon then went on to act in several feature films such as Whatever It Takes, Men In Black II, and had his first starring role Read his whole biography